Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images

We present a detailed analysis of the morphological properties of the Crab Nebula across the electromagnetic spectrum based on new and previous high-quality data from radio to X-rays. In the radio range we obtained an image of the entire nebula at 3 GHz with subarcsecond angular resolution using the...

Descripción completa

Guardado en:
Detalles Bibliográficos
Publicado: 2017
Materias:
ISM: individual objects (Crab Nebula)
ISM: supernova remnants
radio continuum: ISM
ultraviolet: ISM
X-rays: ISM
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v840_n2_p_Dubner
http://hdl.handle.net/20.500.12110/paper_0004637X_v840_n2_p_Dubner
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_0004637X_v840_n2_p_Dubner
record_format dspace
spelling paper:paper_0004637X_v840_n2_p_Dubner2023-06-08T14:29:19Z Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images ISM: individual objects (Crab Nebula) ISM: supernova remnants radio continuum: ISM ultraviolet: ISM X-rays: ISM We present a detailed analysis of the morphological properties of the Crab Nebula across the electromagnetic spectrum based on new and previous high-quality data from radio to X-rays. In the radio range we obtained an image of the entire nebula at 3 GHz with subarcsecond angular resolution using the VLA (NRAO) and an image at 100 GHz of the central region using the ALMA array. Simultaneously with the VLA observations we performed HST WFPC3 near-infrared ( μm) and Chandra X-ray (0.5-8 keV band) observations of the central region of the nebula. In addition we produced a new UV image of the Crab Nebula at 291 nm by co-adding 75 individual exposures of the Optical-UV Monitor on board XMM-Newton. The high-angular resolution and high-dynamic range radio image at 3 GHz allowed us to improve the detection and characterization of peculiar morphological features including arches with foot brightening and intercrossed loop-like structures, likely originating in plasma confined to magnetic field lines. Based on the new radio image, we carried out a detailed multiwavelength correlation. In the central area, the comparison of the almost simultaneous images confirms that the wisps in the three spectral ranges do not generally coincide in location, the radio emission being the most discordant, which is suggestive of the existence of two different synchrotron components. The X-ray pulsar jet does not have a radio counterpart. Instead, another jet-like feature is seen in radio, though with different curvature and starting point. © 2017. The American Astronomical Society. All rights reserved. 2017 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v840_n2_p_Dubner http://hdl.handle.net/20.500.12110/paper_0004637X_v840_n2_p_Dubner
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic ISM: individual objects (Crab Nebula)
ISM: supernova remnants
radio continuum: ISM
ultraviolet: ISM
X-rays: ISM
spellingShingle ISM: individual objects (Crab Nebula)
ISM: supernova remnants
radio continuum: ISM
ultraviolet: ISM
X-rays: ISM
Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images
topic_facet ISM: individual objects (Crab Nebula)
ISM: supernova remnants
radio continuum: ISM
ultraviolet: ISM
X-rays: ISM
description We present a detailed analysis of the morphological properties of the Crab Nebula across the electromagnetic spectrum based on new and previous high-quality data from radio to X-rays. In the radio range we obtained an image of the entire nebula at 3 GHz with subarcsecond angular resolution using the VLA (NRAO) and an image at 100 GHz of the central region using the ALMA array. Simultaneously with the VLA observations we performed HST WFPC3 near-infrared ( μm) and Chandra X-ray (0.5-8 keV band) observations of the central region of the nebula. In addition we produced a new UV image of the Crab Nebula at 291 nm by co-adding 75 individual exposures of the Optical-UV Monitor on board XMM-Newton. The high-angular resolution and high-dynamic range radio image at 3 GHz allowed us to improve the detection and characterization of peculiar morphological features including arches with foot brightening and intercrossed loop-like structures, likely originating in plasma confined to magnetic field lines. Based on the new radio image, we carried out a detailed multiwavelength correlation. In the central area, the comparison of the almost simultaneous images confirms that the wisps in the three spectral ranges do not generally coincide in location, the radio emission being the most discordant, which is suggestive of the existence of two different synchrotron components. The X-ray pulsar jet does not have a radio counterpart. Instead, another jet-like feature is seen in radio, though with different curvature and starting point. © 2017. The American Astronomical Society. All rights reserved.
title Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images
title_short Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images
title_full Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images
title_fullStr Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images
title_full_unstemmed Morphological Properties of the Crab Nebula: A Detailed Multiwavelength Study Based on New VLA, HST, Chandra, and XMM-Newton Images
title_sort morphological properties of the crab nebula: a detailed multiwavelength study based on new vla, hst, chandra, and xmm-newton images
publishDate 2017
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v840_n2_p_Dubner
http://hdl.handle.net/20.500.12110/paper_0004637X_v840_n2_p_Dubner
_version_ 1768544112775004160

Ejemplares similares